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NEET2006Chemistryp Block Elements (Group 13 & 14)Actual

Which of the following is the most basic oxide?

Options

  1. ASeO ₂
  2. BAl ₂ O ₃
  3. CSb ₂ O ₃
  4. DBi ₂ O ₃

Correct answer

D. Bi ₂ O ₃

Step-by-step solution

Bi ₂ O ₃ is the most basic oxide because of higher reactivity with acid. Bi ₂ O ₃+6 HCl 2 BiCl ₃+3 H ₂ O Al ₂ O ₃ and Sb ₂ O ₃ are amphoteric and SeO ₂ is acidic.

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